ing softly, which I assumed was in my honor; but as she began peering over the edge of the nest, her mate came climbing up through the branches and she dived out before he had quite reached it. This is not considered good practise in industrial operations, as in changing shifts, there should be a slight over-lap so that the oncom- ing watch may be fully advised of all operating conditions during the preceding period and be prepared in advance to correct any unfavorable trends and keep the plant going at a high state of efficiency. It also prevents any "passing of the buck" between the two crews in the event of accident due to carelessness. However, the eggs were uncov- ered, in this instance, only about 10 seconds. Both birds dry, and an Allen Hummer buzzing about almost with- in arm's reach while the change was being made. 9:40 A.M. Green-eyes on the nest, Brown-eyes answering my call from the bushes nearby and very glad to have a good square meal of soft food from my hand. Her bill is caked with mud, which she makes no effort to remove, an oversight characteristic of these birds. (Vigors Sewick) Wren. (A Vigors wren has definitely adopted one of the bird houses made about two years ago and never occupied. It was previously located on top of a lath house where the wrens frequently searched for food. About two weeks ago it was taken down, the entrance made smaller in diameter and a horizontal slot cut across it so that large twigs could be taken in more easily. It was then moved to the trunk of a pine tree and placed about 7 feet above the ground. Under this tree is a compost heap and a pile of nurserymen's "flats". The wrens had been heard tapping in the flats and seen carrying nesting material into them (also out of them), so it was considered a good idea to move the box to that vicinity. In about a week they were seen carrying twigs into the house. In previous years the wrens had nested in various other places,